It's an older machine but the BIOS settings on Legacy USB keyboard support MUST be set to on and Legacy USB mouse support must be disabled.
It's either that or use the PS2 connected mouse and keyboard during install.
-> Let me comment about formatting drives before installing XP. That can derail the XP installer. To avoid this I leave the hard drives blank and let XP find and prepare the drive.
was installing xp and it does not detect keyboard and mouse/formatted the drive and now the xp setup goes to about 39 minutes remaining when i have to enter the information keyboard/mouse not working/i restarted the machine the keyboard blinks at first start but cannot axcess boot drive i have a p4 3.2 2048 ram intel 845 gl m b 478 pin soc 650 gb h d this is not the first time i am installing xp but i have faced this problem first time i need help